本研究可完成低频微振动加速度信号多点测量。
The paper can measure the several acceleration signals in low frequency micro vibration.
通过搭建试验台架，从实车试验中获取曲轴箱压力信号和机身振动加速度信号；
At first, authors established an experimental system to acquire crankcase pressure signal and vibration acceleration signal.
该系统能够感应多路振动加速度信号，同时完成对信号的滤波，采集和分析处理。
The system could induce multi-channel vibration acceleration signals and complete signal filting, acquiring and analysis processing.
通过时域波形和频谱等基本分析手段来探测振动加速度信号中的周期性冲击分量往往是困难的。
It is difficult to detect the periodic impulse component in the vibration acceleration signal with conventional analysis methods such as time domain wave and frequency spectrum.
本文在已有的大型结构振动位移算法基础上，简单介绍了此算法，描述了如何将振动加速度信号转换为位移信号。
This article simply introduced the large-scale structure vibration displacement algorithm and described how to transform the acceleration signal to the displacement signal.
根据实际工程需要，提出了基于计算机测试系统中，在采集振动加速度信号的基础上，精确测量位移振幅的方法。
A new method of vibration displacement amplitude measurement based on computer focus on the requirement of engineering is introduced.
试验测定振动助流时散体颗粒在初始阶段和稳定流动阶段的振动加速度信号，并对流动场中波的传播规律进行分析。
The vibration acceleration signals at initial stage and steady stage in flowing granular media are tested, and the propagation of wave in the flowing field is analyzed.
通常检测的机械振动加速度信号，由于信噪比太低，即使存在周期性的冲击分量也往往被淹没在强的背景噪声之中。
However, in respect of a vibration acceleration signal, the signal to noise ratio (SNR) is often so small that the periodic impulse component is submersed in its intense background noises.
通过测量车辆的振动加速度响应信号获取路面谱的方法具有很好的实用性。
The method of getting road response spectrum by measuring vehicle vibration acceleration response signals is practicable.
受数据采集条件限制，振动台模型实验的速度和动位移时程一般由实测加速度时程信号进行积分得到。
In shaking table model tests, dynamic displacement and velocity are always obtained by integration of measured acceleration because of the restricted condition of data sampling.
研究了获取管道振动噪声干扰特征的方法，介绍了基于加速度传感器的管道振动信号的采集。
A method of acquiring pipeline vibration noise is studied, and sampling of pipeline vibration signals using an acceleration sensor introduced.
采用防水型加速度计，在不同工况下测定洗涤冷却管的振动信号，并用小波变换分析信号；讨论了表观气速和静态液位对小波功率谱的影响，分析了冷却管振动的原因。
The effect of superficial gas velocity and static water height on the wavelet power spectrum is dis- cussed and the vibration mechanism of the tube is analyzed.
其方法包括以下步骤：①通过传感器采振动台的加速度量，并转换成电信号；
The method comprises the processes: (1) the acceleration value of the vibration table is collected and converted into electric signals;
再用振动信号记录系统记录此时实验激励的振动加速度的均方根值。将记录的数据利用最小二乘和优化设计的方法拟合成振动频率计权曲线。
The data were fitted to the same form of the frequency weighting Wk of ISO 2631-1 with the least square method and optimization of parameters.
再用振动信号记录系统记录此时实验激励的振动加速度的均方根值。将记录的数据利用最小二乘和优化设计的方法拟合成振动频率计权曲线。
The data were fitted to the same form of the frequency weighting Wk of ISO 2631-1 with the least square method and optimization of parameters.
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